Patents by Inventor Rita Song

Rita Song has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Platinum(II) complexes of N-substituted amino dicarboxylates and the preparation method thereof
    Patent number: 6867316
    Abstract: Disclosed are a platinum (II) complex of N-substituted amino dicarboxylate showing antitumor activity represented by the following formula (1) and a preparation method thereof: wherein n is 1 or 2; A—A is a diamine selected from the group consisting of trans-(±)-1,2-diaminocyclohexane, ethylenediamine and 2,2-dimethyl-1,3-propanediamine; and R1 is hydrogen and R2 is RCO or RSO2, wherein R is an alkyl selected from the group consisting of methyl, ethyl, n-propyl, n-butyl and t-butyl or an aryl selected from the group consisting of phenyl and substituted phenyl group, or R1R2 is phthaloyl.
    Type: Grant
    Filed: January 8, 2004
    Date of Patent: March 15, 2005
    Assignee: Board of Trustees, Ewha Womans University
    Inventors: Youn Soo Sohn, Yeong-Sang Kim, Rita Song
  • Platinum(II) complexes of N-substituted amino dicarboxylates and the preparation method thereof
    Publication number: 20040162342
    Abstract: Disclosed are a platinum (II) complex of N-substituted amino dicarboxylate showing antitumor activity represented by the following formula (1) and a preparation method thereof: 1
    Type: Application
    Filed: January 8, 2004
    Publication date: August 19, 2004
    Applicant: Board of Trustees, EWHA Womans University
    Inventors: Youn Soo Sohn, Yeong-Sang Kim, Rita Song